Table 8.

Summary statistics of technical efficiency (VRS&CRS) by year

Year	Efficiency	Min.	Max.	Mean	Std. dev.
2009	VRS	0.2990	1.0000	0.7337	0.1984
	CRS	0.2473	1.0000	0.6470	0.1904
2010	VRS	0.3256	1.0000	0.7416	0.1879
	CRS	0.3144	1.0000	0.6292	0.1712
2011	VRS	0.3409	1.0000	0.7673	0.1890
	CRS	0.2652	1.0000	0.6731	0.1791
2012	VRS	0.3587	1.0000	0.7568	0.1939
	CRS	0.3319	1.0000	0.6828	0.1759

Bootstrapped. 1000 replications